EP0054548A4 - Heater module assembly for an apparatus for melting and dispensing thermoplastic material. - Google Patents

Heater module assembly for an apparatus for melting and dispensing thermoplastic material.

Info

Publication number
EP0054548A4
EP0054548A4 EP19810900697 EP81900697A EP0054548A4 EP 0054548 A4 EP0054548 A4 EP 0054548A4 EP 19810900697 EP19810900697 EP 19810900697 EP 81900697 A EP81900697 A EP 81900697A EP 0054548 A4 EP0054548 A4 EP 0054548A4
Authority
EP
European Patent Office
Prior art keywords
thermoplastic material
melting
fins
core
modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19810900697
Other languages
German (de)
French (fr)
Other versions
EP0054548A1 (en
Inventor
Donald R Mercer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercer Corp
Original Assignee
Mercer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mercer Corp filed Critical Mercer Corp
Publication of EP0054548A1 publication Critical patent/EP0054548A1/en
Publication of EP0054548A4 publication Critical patent/EP0054548A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/022—Melting the material to be shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details specially adapted for crucible or pot furnaces
    • F27B14/0806—Charging or discharging devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details specially adapted for crucible or pot furnaces
    • F27B2014/0887—Movement of the melt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0008—Resistor heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Coating Apparatus (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Apparatuses for melting and dispensing thermoplastic material in the prior art have slow melting and slow flow velocity of the thermoplastic material. A heater module adapted to be used in an apparatus for melting and dispensing thermoplastic material (24), with other like modules for forming a pre-melt and/or a melting stage (31, 32), for heating the thermoplastic material (24). Each module is of uniform construction and includes an elongated core (35) having a plurality of longitudinally spaced first fins (36) projecting from one side of the core (35) and second fins (37) projecting from the other side of the core (35), but longitudinally uniformly staggered from the first fins (36), so that a plurality of parallel modules adjacent to each other will have the recesses (38, 39) between adjacent fins (36, 37) closed by the opposite fins (37, 36) to form longitudinally staggered vertical holes for the fluid passage of the melted thermoplastic material (24). The staggered vertical holes in the heater modules have increased ratio of the heating surfaces to the opening area and thus reduce the melting time and increase the flow velocity of the thermoplastic material.
EP19810900697 1980-06-30 1980-06-30 Heater module assembly for an apparatus for melting and dispensing thermoplastic material. Withdrawn EP0054548A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000825 WO1982000193A1 (en) 1980-06-30 1980-06-30 Heater module assembly for an apparatus for melting and dispensing thermoplastic material

Publications (2)

Publication Number Publication Date
EP0054548A1 EP0054548A1 (en) 1982-06-30
EP0054548A4 true EP0054548A4 (en) 1985-04-11

Family

ID=22154417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810900697 Withdrawn EP0054548A4 (en) 1980-06-30 1980-06-30 Heater module assembly for an apparatus for melting and dispensing thermoplastic material.

Country Status (4)

Country Link
EP (1) EP0054548A4 (en)
JP (1) JPS57500914A (en)
AU (1) AU6927581A (en)
WO (1) WO1982000193A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0771920B2 (en) * 1988-04-25 1995-08-02 株式会社東海理化電機製作所 Supporting height variable webbing support device
US5706982A (en) * 1995-10-30 1998-01-13 Nordson Corporation Molten thermoplastic material supply system with distribution manifold having reverse flush filter and automatic drain
US11604028B2 (en) * 2019-10-24 2023-03-14 Waterblasting, Llc Thermoplastic extrusion melting kettle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1662870A (en) * 1924-10-09 1928-03-20 Stancliffe Engineering Corp Grooved-plate heat interchanger
US2916262A (en) * 1959-12-08 flores

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809772A (en) * 1955-05-02 1957-10-15 Kamborian Jacob S Apparatus for melting and dispensing thermoplastic adhesive
US3217793A (en) * 1962-11-30 1965-11-16 Wakefield Eng Inc Heat transfer
US3377466A (en) * 1965-04-05 1968-04-09 United Shoe Machinery Corp Apparatus for handling thermoplastic material
US3352279A (en) * 1965-09-15 1967-11-14 Lockwood Tech Adhesive applicator
US3396458A (en) * 1966-03-28 1968-08-13 Electro Therm Electrical heating elements and method and apparatus for making the same
US3531023A (en) * 1968-04-30 1970-09-29 Mercer Corp Process and apparatus for melting and dispensing thermoplastic material
US3632987A (en) * 1970-02-20 1972-01-04 Harley J Orr Heating and radiating unit for electrical heaters
US3792801A (en) * 1971-10-29 1974-02-19 Nordson Corp Thermoplastic applicator with self-cleaning supply reservoir
US4009974A (en) * 1975-02-12 1977-03-01 Nordson Corporation Method and apparatus for pumping viscous material
US3964645A (en) * 1975-02-12 1976-06-22 Nordson Corporation Apparatus for melting and dispensing thermoplastic material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916262A (en) * 1959-12-08 flores
US1662870A (en) * 1924-10-09 1928-03-20 Stancliffe Engineering Corp Grooved-plate heat interchanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8200193A1 *

Also Published As

Publication number Publication date
JPS57500914A (en) 1982-05-27
EP0054548A1 (en) 1982-06-30
AU6927581A (en) 1982-02-02
WO1982000193A1 (en) 1982-01-21

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19820317

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19841231

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MERCER, DONALD R.